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HCU PHD CS JUNE 2021
January 20, 2025
HCU PHD CS JUNE 2021
January 20, 2025
HCU PHD CS JUNE 2021
January 20, 2025
HCU PHD CS JUNE 2021
January 20, 2025

HCU PHD CS JUNE 2021

Question 13
The monthly expenditure of a household, when analysed, was found to fit a quadratic
function e(x) = ax2 +bx + c. Assuming that the monthly expenditure can never be
negative (in the past or in the future), what can we say about the roots of e(x)?
A
Both are real
B
Both are complex numbers
C
One is real and one is complex
D
One is real and negativp, the other is real and positive
Correct Answer: B
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